Home / 42,009,704.80-63,014,557.20-13,258,746.70

Finding the Fourth Proportional to 42,009,704.80, 63,014,557.20 and 13,258,746.70

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Solution

The fourth proportional to 42,009,704.80, 63,014,557.20 and 13,258,746.70 is: 19,888,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,704.80 : 63,014,557.20 = 13,258,746.70 : x
  2. Step 2: Convert to fraction form
    42,009,704.80/63,014,557.20 = 13,258,746.70/x
  3. Step 3: Cross multiply
    42,009,704.80x = 63,014,557.20 × 13,258,746.70
  4. Step 4: Simplify right side
    42,009,704.80x = 835,494,052,327,461.25
  5. Step 5: Solve for x
    x = 835,494,052,327,461.25/42,009,704.80
  6. Step 6: Final answer
    x = 19,888,120.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.